/*
 * ArcEmu MMORPG Server
 * Copyright (C) 2008-2011 <http://www.ArcEmu.org/>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef ATOMICCOUNTER_HPP_
#define ATOMICCOUNTER_HPP_

#include "AtomicULong.h"

//////////////////////////////////////////////////////////
//class AtomicCounter
//  Derives from AtomicULong.
//  Implements atomic incrementation and decrementation
//
//////////////////////////////////////////////////////////
class AtomicCounter : public AtomicULong
{
    public:
        AtomicCounter() { Value = 0; }
        AtomicCounter(unsigned long InitialValue) { Value = InitialValue; }


        //////////////////////////////////////////////////////////
        //unsigned long operator++()
        // lockless threadsafe prefix increment operator
        //
        // Parameters
        //  None
        //
        // Return values
        //  Returns the incremented value
        /////////////////////////////////////////////////////////
        unsigned long operator++();



        /////////////////////////////////////////////////////////
        //unsigned long operator--()
        // lockless threadsafe prefix decrement operator
        //
        // Parameters
        //  None
        //
        // Return values
        //  Returns the decremented value
        ////////////////////////////////////////////////////////
        unsigned long operator--();



    private:
        // Disabled copy constructor
        AtomicCounter(const AtomicCounter & other) {}

        // Disabled assignment operator
        AtomicCounter operator=(const AtomicCounter & other) { return *this; }
};

#endif
